import  pandas as pd
list=[[110,120,205],[95,110,108],[98,80,100],[112,106,97]]
index=['王蒙','李珊','赵胜','刘文']
columns=['语文','数学','英语']
df=pd.DataFrame(list,index,columns)
print('原始数据: \n',df)
print('选取王蒙的所有成绩: \n',df.loc['王蒙'])
print('选取王蒙和刘文的所有成绩: \n',df.loc[['王蒙','刘文']])
print('选取王蒙到赵胜的所有成绩: \n',df.loc[['王蒙','赵胜']])
print('选取王蒙和赵胜的语文和数学成绩: \n',df.loc[['王蒙','赵胜'],['语文','数学']])
print('选取王蒙和赵胜的语文和英语成绩: \n',df.loc[['王蒙','赵胜'],['语文','英语']])

